COP23 is a global summit for nations to come together in the fight against climate change. Here's what you need to know.

Xiaomi Redmi Y1 and Redmi Y1 smartphones have launched in India. The new Redmi Y1 mobiles are priced in the budget segment, where Xiaomi already has the Redmi 4A, Redmi 4, and the Redmi Note 4 in the country.